A Logic Cookbook for Synthesis

Get the lower of two signals at a point in time

Attibution: mdoudoroff

MIN (AND) will pass whichever of two voltages is lower

You can get the lower of two continuous voltage values by passing them through a MIN (analog AND) circuit. Optionally, you can employ a sample and hold to capture the moment you’re interested in.


Result: the sample & hold output will update at each clock pulse with whichever input voltage was lower at the time

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